Sub-unit for data transmission



FIG. 1 is a front, top and right side perspective view of a sub-unit for data transmission showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof with the broken line showing included for the purpose of illustrating environmental structure which forms no part of the claimed design;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front, top and right side perspective view of an another embodiment of the sub-unit for data transmission showing our new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a rear elevational view thereof with the broken line showing included for the purpose of illustrating environmental structure which forms no part of the claimed design;

FIG. 13 is a left side elevational view thereof; and,

FIG. 14 is a right side elevational view thereof. 

The ornamental design for a sub-unit for data transmission, as shown and described. 